Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Echinodermata (Echinoderms)
Sea urchin (Echinoidea)
Euechinoidea
Gnathostomata (Gnathostomata (echinoid))
Clypeasteroida (Sand dollars)
Plesiolampadidae
Pseudopygaulus (28092136)
Children (3 direct children, 3 direct and indirect children):
Pseudopygaulus excentricus
Pseudopygaulus malavoyi
Pseudopygaulus romani